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-rw-r--r--src/gallium/drivers/freedreno/a3xx/fd3_program.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_program.c b/src/gallium/drivers/freedreno/a3xx/fd3_program.c
index a6824ef92e7..57fcaa9020e 100644
--- a/src/gallium/drivers/freedreno/a3xx/fd3_program.c
+++ b/src/gallium/drivers/freedreno/a3xx/fd3_program.c
@@ -413,12 +413,15 @@ fd3_program_emit(struct fd_ringbuffer *ring, struct fd3_emit *emit,
}
}
- /* TODO: Figure out if there's a way to make it spit out 0's and
- * 1's for the .z and .w components.
+ /* Replace the .xy coordinates with S/T from the point sprite. Set
+ * interpolation bits for .zw such that they become .01
*/
- if (emit->sprite_coord_enable & (1 << sem2idx(fp->inputs[j].semantic)))
+ if (emit->sprite_coord_enable & (1 << sem2idx(fp->inputs[j].semantic))) {
vpsrepl[inloc / 16] |= (emit->sprite_coord_mode ? 0x0d : 0x09)
<< ((inloc % 16) * 2);
+ vinterp[(inloc + 2) / 16] |= 2 << (((inloc + 2) % 16) * 2);
+ vinterp[(inloc + 3) / 16] |= 3 << (((inloc + 3) % 16) * 2);
+ }
}
OUT_PKT0(ring, REG_A3XX_VPC_ATTR, 2);